1. Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
2. Centre for Disruptive Photonic Technologies The Photonic Institute 50 Nanyang Avenue Singapore 639798 Singapore
3. School of Electrical and Electronic Engineering Nanyang Technological University 50 Nanyang Ave Singapore 639798 Singapore
4. School of Energy Materials Mahatma Gandhi University Kottayam 686560 India
5. School of Chemical and Biomedical Engineering Nanyang Technological University 62 Nanyang Drive Singapore 637459 Singapore
6. School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Ave Singapore 639798 Singapore